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powerpc: Introduce the use of the managed version of kzalloc

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This patch moves data allocated using kzalloc to managed data allocated
using devm_kzalloc and cleans now unnecessary kfree in probe function.

The following Coccinelle semantic patch was used for making the change:

@platform@
identifier p, probefn, removefn;
@@
struct platform_driver p = {
  .probe = probefn,
  .remove = removefn,
};

@prb@
identifier platform.probefn, pdev;
expression e, e1, e2;
@@
probefn(struct platform_device *pdev, ...) {
  <+...
- e = kzalloc(e1, e2)
+ e = devm_kzalloc(&pdev->dev, e1, e2)
  ...
?-kfree(e);
  ...+>
}

Signed-off-by: Himangi Saraogi <himangi774@gmail.com>
Acked-by: Julia Lawall <julia.lawall@lip6.fr>
Signed-off-by: Anatolij Gustschin <agust@denx.de>
This commit is contained in:
Himangi Saraogi
2014-05-27 01:51:31 +05:30
committed by Anatolij Gustschin
parent ffcea122c4
commit 39e69f55f8
1 changed files with 2 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files
arch/powerpc/platforms/52xx/mpc52xx_gpt.c
+2 -4
View File
@@ -724,7 +724,7 @@ static int mpc52xx_gpt_probe(struct platform_device *ofdev)
{
struct mpc52xx_gpt_priv *gpt;
gpt = kzalloc(sizeof *gpt, GFP_KERNEL);
gpt = devm_kzalloc(&ofdev->dev, sizeof *gpt, GFP_KERNEL);
if (!gpt)
return -ENOMEM;
@@ -732,10 +732,8 @@ static int mpc52xx_gpt_probe(struct platform_device *ofdev)
gpt->dev = &ofdev->dev;
gpt->ipb_freq = mpc5xxx_get_bus_frequency(ofdev->dev.of_node);
gpt->regs = of_iomap(ofdev->dev.of_node, 0);
if (!gpt->regs) {
kfree(gpt);
if (!gpt->regs)
return -ENOMEM;
}
dev_set_drvdata(&ofdev->dev, gpt);